log4net根据日志类型写入到不同的文件中

 <?xml version="1.0"?>

 <configuration>

   <configSections>

     <!--log4net配置安装-->

     <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net"/>

   </configSections>

   <log4net>

     <!--记录器root可以被其他继承-->

     <root>

       <level value="All" />

       <appender-ref ref="LogFileAppender" />

       <appender-ref ref="ErrorFileAppender"/>

     </root>

     <appender name="LogFileAppender" type="log4net.Appender.RollingFileAppender" LEVEL="INFO">

       <param name="File" value="Logs\info\"/>

       <param name="AppendToFile" value="true"/>

       <param name="DatePattern" value="yyyy-MM-dd.'.txt'"/>

       <param name="RollingStyle" value="Date"/>

       <param name="StaticLogFileName" value="false"/>

       <layout type="log4net.Layout.PatternLayout">

         <param name="ConversionPattern" value="记录时间：%date 线程ID:[%thread] 日志级别：%-5level 类：%logger property:[%property{NDC}] - 描述：%message%newline" />

       </layout>

       <filter type="log4net.Filter.LevelRangeFilter">

         <param name="LevelMin" value="INFO" />

         <param name="LevelMax" value="INFO" />

       </filter>

     </appender>

     <appender name="ErrorFileAppender" type="log4net.Appender.RollingFileAppender" LEVEL="ERROR">

       <param name="File" value="Logs\error\"/>

       <param name="AppendToFile" value="true"/>

       <param name="DatePattern" value="yyyy-MM-dd.'.txt'"/>

       <param name="RollingStyle" value="Date"/>

       <param name="StaticLogFileName" value="false"/>

       <layout type="log4net.Layout.PatternLayout">

         <param name="ConversionPattern" value="记录时间：%date 线程ID:[%thread] 日志级别：%-5level 类：%logger property:[%property{NDC}] - 描述：%message%newline"/>

       </layout>

       <filter type="log4net.Filter.LevelRangeFilter">

         <param name="LevelMin" value="ERROR" />

         <param name="LevelMax" value="ERROR" />

       </filter>

     </appender>

   </log4net>

   <startup>

     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>

   </startup>

 </configuration>